July 17, 2013
Guava Fruit Fly Under Treatment
Edited By Laurie Greene, Associate Blogger
In the past few days, the California State lab confirmed
three detections of Guava Fruit Fly in San Jose in Santa Clara County. As
a result of these finds, the Secretary of Agriculture issued an emergency
proclamation authorizing an eradication project.
Treatment is scheduled to begin today, Wednesday, July 17, 2013
in a 19 square-mile area surrounding the discoveries using the "male
attractant" technique. This technique uses ground-based, spot
applications of minute amounts of insecticide and feeding-attractant
lure. The treatment is applied as small, dollar-sized spots on inanimate
objects such as street trees and utility poles approximately 8 feet off the
ground to prevent accessibility and disruption to the public. The male
fruit flies are attracted to the lure on these spots, and they die from feeding
on the mixture.
The Guava Fruit Fly infestation in San Jose marks the tenth
time of detection in 17 years. Eradication projects were conducted in
2000, 2001, 2002, 2004, and now in 2013. The California Department of
Food and Agriculture (CDFA) successfully eradicated the Guava Fruit Fly in each
instance using the male attractant technique.
The Guava Fruit Fly is known to occur in India, Pakistan,
Nepal, Sri Lanka and Thailand. If allowed to establish in California, the
fly has the potential to become a major pest of citrus, peach, and several
kinds of tropical and subtropical fruits. Fruit damage occurs when the
adult female fly lays eggs in the fruit which hatch into larvae or maggots that
tunnel through the flesh of the fruit, making it unfit for consumption.
These infestations are likely the result of contraband fruit
smuggled into California. All those entering California should not
bring fruit or vegetables back from your travels. Exotic fruit flies
threaten California’s multi-billion-dollar agricultural industry and its native
and urban environments as well.
Labels: Guava Fruit Fly, San Jose, Santa Clara County, treatment begin